Siren



SiIni1arI type, this TeplaceInent being also an ex tren1ely expeditiouS proceeding capable of accon plishn1ent by even the Inost unSkilled operator.

In geneTaL it Wi11 be underStood that ohanges in the detailS, heTein deScTibed and inuStraited for the purpoSe of explaining the natue of TI1y inven tion, Inay be Inade by those skilled in the at vvithout depating fron1 the spiTit and Soope of the invention as expreSSed in the appended clain1S. It is, therefore, intended that these detailS be in tepTeted aS i1111StTative, and not in a 1iIT1iting sense.

Iaving thI1s deScribed Iny invention, and i11us tTaded itS 11Se, vvhat claiTn aS nevv a1d desiTe to secuTe by LetteTS Patent iS 1. In a siTen fotor, al ho11ow shaft, ai hub To tatably Inounted on Said shaft and carrying the Totor vaneS, a fTee vv11eeling o111toh inteTpoSed between said shaft and hub, and IneanS Seouring Said eleInentS togetheT in unitaJTy a,SSeInbly.

2. A Siren TotOT oon1prising a ho11OW Shaft, a hub rotatably n1ounted on Said Shaft and carrying the Totor vanes, a free wheeling olutc11inteTpoSed betvveen Said Shaft and h11b, ntifriction bearings between the Shaft a nd hub to facilitate free To ta.tioI1 of the hub vvhen the hub and Shaft are out of dTiving Telatio nShi and IneanS SecuTing said elementS together in a u1itaTy arssembly.

3. In a siTen otoT, a hollow Shaft, a hub Totat ably mounted on Said shaft and carTying the rotor vanes, a, fTee vvheeling clutch inteTposed between said Shaft and hub, a1tif'iction beaTingS at op posite ends of the hub and betWeen the shaft and hub to faoilitate fTee Totation of the hub When the hub and shaft are out of driving re1a 5 tionSI1ip, and nleans n1ounted on the shaft at its opposite ends and engaging Said beaTings, Tespectively, fol' SecuTing said eleInentS togethe in al unitary asSeInbly.

In ar SiTen roto1', a honoW Shaft, a hub To tatably n1ounted on said shaft and carTying the Totor vanes, a free wheeling c111tch interposed betvveen said shaft and hub, and nleans securing said eleInents togethe1 in a, unitaTy assembly, said clotch compriSing a radially gTooved n1eInber seouTed to said shaft, and rolling Inenlbers dispoSed in Said grooveS alnd adapted to wedge argaMinst sarid hub when the Shaft is rotalted faSter than the h11b in driving direction.

5. SiTen coInpriSing al Stator, a n1otor secuTed thereto and having a driving Spindle projecting axia11y into the Stator, and a rotor ooInpTising a hollow Shaft applicable over said spindle, a hub rotatably Inounted on said haf and carrying the rotOT vaneS, anti-friction beaTings betvveen said shaft and hub, a fTee wheeling clutch i1teTpoSed betwoen the Shaft and hub and foTn1ing part of the pernlanent Totor assenbly, and IneanS for locking said Shaft to Said spindle,

HABRY BIcCI, 

